Top Box (13-inch model): Measures 330 x 175 x 150 mm (13" x 7" x 6"). It is ideal for hand tools like wrenches, screwdrivers, and tape measures.
Bottom Box (15-inch model): Measures 385 x 215 x 195 mm (15.2" x 8.5" x 7.7"). It offers deep volume capacity for slightly larger hand tools or power drill kits.